build(deps): bump github.com/hashicorp/terraform-plugin-sdk/v2 from 2.4.4 to 2.7.0

[dependabot[bot]]

Bumps github.com/hashicorp/terraform-plugin-sdk/v2 from 2.4.4 to 2.7.0.

Changelog

Sourced from github.com/hashicorp/terraform-plugin-sdk/v2's changelog.

2.7.0 (June 25, 2021)

ENHANCEMENTS:

• Added ProtoV6ProviderFactories to TestCase, so protocol version 6 providers can be used in acceptance tests (#761)
• Made SDK-generated diagnostics clearer and more consistent (#755)
• Upgraded to use terraform-exec v0.14.0, which is required for acceptance test compatibility with Terraform v1.0.1 (#775)

2.6.1 (April 23, 2021)

BUG FIXES:

• Updated the GPG key used to verify Terraform installs in response to the Terraform GPG key rotation. (#750)

2.6.0 (April 21, 2021)

ENHANCEMENTS:

• Made TF_ACC_TERRAFORM_VERSION more permissive, accepting values in either vX.Y.Z or X.Y.Z formats. (#731)
• Upgraded to use terraform-plugin-go v0.3.0 (#739)

2.5.0 (March 24, 2021)

ENHANCEMENTS

• Added the ability to opt out of context timeouts in CRUD functions (#723)

Commits

• 2387aca v2.7.0 [skip ci]
• ccae25f v2.7.0 changelog
• fa81bfc document tf version requirement
• 60cd8fd refactor: factories struct
• 03fc375 bump go-plugin to v1.4.1
• a204a5a add ProtoV6ProviderFactories to TestCase
• e423608 deps: Bump terraform-exec to 0.14.0
• 7a6c389 Migrate from GitHub HashiBot to GitHub Actions
• 8b29ee8 Update CHANGELOG.md
• 9321fe1 helper/schema: Adjusted validation error messages
• Additional commits viewable in compare view

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